Fire alarm housing



FIG. 1 is a front elevational view of a fire alarm housing showing mynew design;

FIG. 2 is a side elevational view thereof as seen from the right of FIG.2; and

FIG. 3 is a perspective view thereof as seen from the top, front andopposite side of FIG. 2.

The ornamental design for a fire alarm housing, substantially as shown. 